MULTIPLEX RR EasyGlider DESIGN PPO Owner's manual

Category
Remote controlled toys
Type
Owner's manual

This manual is also suitable for

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Bauanleitung 03 ... 10
Building instructions 11 ... 19
Notice de construction 20 ... 33
Istruzioni di montaggio 34 ... 41
Instrucciones de montaje 42 ... 49
© Copyright by MULTIPLEX 2012 Version 2.0
F
PRO
vorgesehen für die MULTIPLEX
Brushless-Antriebe # 33 3651 u. # 33 3650
oder als Segler
KIT # 21 4226
KIT # 21 4271
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Sicherheitshinweise
Prüfen Sie vor jedem Start den festen Sitz des Motors und der Luftschraube - insbesondere nach dem Transport, härteren
Landungen sowie Abstürzen. Prüfen Sie ebenfalls vor jedem Start den festen Sitz und die richtige Position der Tragflächen auf
dem Rumpf.
Akku erst einstecken, wenn Ihr Sender eingeschaltet ist und Sie sicher sind, daß das Bedienelement für die Motorsteuerung auf
"AUS" steht.
Im startbereiten Zustand nicht in den Bereich der Luftschraube greifen.
Vorsicht in der Luftschraubendrehebene - auch Zuschauer zur Seite bitten!
Zwischen den Flügen die Motortemperatur durch vorsichtige Fingerprobe prüfen und
vor einem Neustart den Motor ausreichend abkühlen lassen. Die Temperatur ist richtig, wenn Sie den Motor problemlos berühren
können. Insbesondere bei hohen Außentemperaturen kann dieses bis zu 15 Minuten dauern.
Denken Sie immer daran: Niemals auf Personen und Tiere zufliegen.
Conseils de sécurité
Avant chaque décollage, vérifiez la fixation du moteur et de l'hélice, notamment après le transport, après les atterrissages
violents et après un “Crash”. Vérifiez également, avant chaque décollage la fixation ainsi que le positionnement de l’aile par
rapport au fuselage.
Ne branchez l’accu de propulsion que si vous êtes sûr que votre émetteur est allumé et que l’élément de commande moteur est
en position “ARRET”.
Ne mettez pas vos doigts dans l’hélice! Attention à la mise en marche, demandez également aux spectateurs de reculer.
Entre deux vols, vérifiez en posant un doigt dessus, la température du moteur, laissezle refroidir suffisamment avant le prochain
décollage. La température est correcte si vous pouvez maintenir votre doigt ou votre main sur le moteur. Le temps de refroidissement
peut varier jusqu’à 15 minutes s’il fait particulièrement chaud.
Pensez-y toujours: ne volez jamais vers ou au-dessus des personnes ou des animaux.
Safety notes
Before every flight check that the motor and propeller are in place and secure - especially after transporting the model, and after
hard landings and crashes. Check also that the wing is correctly located and firmly secured on the fuselage before each flight.
Don’t plug in the battery until you have switched on the transmitter, and you are sure that the motor control on the transmitter is set
to “OFF”.
When the model is switched on, ready to fly, take care not to touch the propeller. Keep well clear of the propeller disc too, and ask
spectators to stay back.
Allow the motor to cool down after each flight. You can check this by carefully touching the motor case with your finger. The
temperature is correct when you can hold your finger on the case without any problem. On hot days this may take up to 15
minutes.
Please keep in mind at all times: don’t fly towards people or animals.
Note di sicurezza
Prima di ogni decollo controllare che il motore e la eliche siano fissati stabilmente - specialmente dopo il trasporto, atterraggi duri
e se il modello è precipitato. Controllare prima del decollo anche il fissaggio e la posizione corretta delle ali sulla fusoliera.
Collegare la batteria solo quando la radio è inserita ed il comando del motore è sicuramente in posizione ”SPENTO”.
Prima del decollo non avvicinarsi al campo di rotazione della eliche. Attenzione alla eliche in movimento - pregare che eventuali
spettatori si portino alla dovuta distanza di sicurezza!
Tra un volo e l’altro controllare cautamente con le dita la temperatura del motore e farli raffreddare sufficientemente prima di ogni
nuovo decollo. La temperatura è giusta se si possono toccare senza problemi. Specialmente con una temperatura esterna alta
questo può durare fino a 15 minuti.
Fare attenzione: Non volare mai nella direzione di persone ed animali.
Advertencias de seguridad
Compruebe antes de cada despegue que el motor y la hélice estén fuertemente sujetados, sobretodo después de haberlo
transportado, de aterrizajes más fuertes así como después de una caída. Compruebe igualmente antes de cada despegue que
las alas estén bien sujetas y bien colocadas en el fuselaje.
Conectar la batería, cuando la emisora esté encendida y Usted esté seguro que el elemento de mando para el motor esté en
”OFF”.
No meter la mano en la zona inmediata a la hélice cuando el avión esté a punto de despegar. ¡Cuidado con la zona de la hélice!
¡Pedir a los espectadores que se aparten!
Entre los vuelos hay que comprobar cuidadosamente la temperatura del motor con el dedo y dejar que el motor se enfríe antes
de volver a despegar. La temperatura es correcta, si puede tocar el motor sin problemas. Sobretodo en el caso de temperaturas
del ambiente muy altas, esto puede tardar unos 15 minutos.
Recuerde: No volar nunca hacía personas o animales.
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EasyGlider PRO + electric BlueEdition
Examine your kit carefully!
MULTIPLEX model kits are subject to constant quality checks throughout the production process, and we sincerely hope that you are
completely satisfied with the contents of your kit. However, we would ask you to check all the parts (referring to the Parts List) before
you start construction, as we cannot exchange components which you have already worked on. If you find any part is not
acceptable for any reason, we will gladly correct the defect or replace the item in question once we have inspected it. Please send the
part to our Model Department, being sure to include the purchase receipt and a brief description of the fault.
We are constantly working on improving our models, and for this reason we must reserve the right to change the kit contents in terms
of shape or dimensions of parts, technology, materials and fittings, without prior notification. Please understand that we cannot
entertain claims against us if the kit contents do not agree in every respect with the instructions and the illustrations.
Caution!
Radio-controlled models, and especially model aircraft, are by no means playthings. Building and operating them safely
requires a certain level of technical competence and manual skill, together with discipline and a responsible attitude at the
flying field. Errors and carelessness in building and flying the model can result in serious personal injury and damage to
property. Since we, as manufacturers, have no control over the construction, maintenance and operation of our products, we
are obliged to take this opportunity to point out these hazards and to emphasise your personal responsibility.
Additional items required for the EasyGlider PRO:
Adhesive:
Use medium-viscosity cyano-acrylate glue (“cyano” - not styrofoam cyano) Zacki ELAPOR # 85 2727 for this model.
Epoxy adhesives produce what initially appears to be a sound joint, but the bond is only superficial, and the hard resin breaks away
from the parts under load. Hot-melt glue (from a glue gun) is a useful alternative adhesive.
MULTIPLEX radio control system components for EasyGlider PRO:
RX-5 light M-Link receiver Order No. 5 5808
or RX-5 M-Link receiver (telemetriy capable) Order No. 5 5817
Tiny-S servo (2x required) Elevator / rudder Order No. 6 5121
Nano-S servo (2x required) aileron Order No. 6 5120
or Tuning-servo Tiny-MG (2x required) Elevator / rudder Order No. 6 5122
Tuning-servo Nano-PRO MG (2x required) aileron Order No. 6 5119
Extension lead 400 mm UNI (2x required) Aileron servo Order No. 8 5029
Extension lead 300 mm UNI (2x required) Aileron servo Order No. 8 5031
Battery charger:
MULTIcharger L-703 EQU 230V Order No. 9 2523
or Combo MULTIcharger LN-3008 EQU w. mains PSU, AC/DC 230V/12V 5,0A Order No. 9 2545
EasyGlider PRO power set
Power set "EasyGlider PRO 3S STANDARD" Li-BATT powered Order No. 33 3651
Power set "EasyGlider PRO 3S STANDARD" Order No. 33 2651
EasyGlider PRO tuning power set
Power set "EasyGlider PRO 3S TUNING" Li-BATT powered Order No. 33 3650
Power set "EasyGlider PRO 3S TUNING" Order No. 33 2650
Flight battery
Li-BATT eco 3/1-2000 (M6) 2000 mAh Order No. 15 7231
Li-BATT eco 3/1-3000 (M6) 3000 mAh Order No. 15 7236
Additional items required for the glider variant only
NiMH receiver battery, 4 / 2100 mAh Order No. 15 6052
Mini switch harness with charge socket Order No. 8 5045
Aero-tow release Order No. 72 3470
Tools:
Scissors, balsa knife, side-cutters.
Note: remove the illustration pages from the centre of the building instructions.
Specification: Glider Electric glider
Wingspan 1800 mm 1800 mm
Overall length 1130 mm 1130 mm
All-up weight approx. 800 g with standard power system approx. 980 g
Wing area, FAI approx. 41.6 dm² FAI approx. 41.6 dm²
Wing loading approx. 20 g / dm² approx. 24 g / dm²
RC functions Elevator, rudder, aileron as glider, plus throttle
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Important note
This model is not made of styrofoam™, and it is not
possible to glue the material using white glue or epoxy.
Please be sure to use cyano-acrylate glue exclusively,
preferably in conjunction with cyano activator (”kicker”).
We recommend medium-viscosity (thick) cyano. This is the
procedure with Elapor®: spray cyano activator on one face
of the joint; allow it to air-dry for around two minutes until
the surface appears to be “dry”, then apply cyano adhesive
to the other face. Join the parts, and immediately position
them accurately.
Please take care when handling cyano-acrylate adhesives.
These materials harden in seconds, so don’t get them on
your fingers or other parts of the body. We strongly
recommend the use of goggles to protect your eyes.
Keep the adhesive out of the reach of children!
1. Before starting construction
Please check the contents of your kit before you start
construction. You will find Figs. 1 + 2 and the Parts List helpful
here.
Completing the fuselage and tail panels
2. Preparing the “snakes”
Check the length of the elevator snake sleeves 43 and 45, and
shorten them if necessary.
43 3 / 2 Ø x 785 mm
45 2 / 1 Ø x 850 mm
Steel 41 0.8 Ø x 875 mm, insert!
Repeat the procedure with the rudder snake sleeves 44 and
46.
44 3 / 2 Ø x 785 mm
46 2 / 1 Ø x 850 mm
Steel 42 0.8 Ø x 875 mm, insert!
Aerial sleeve 47 3/2 Ø x 785 mm (shorten if
necessary)
3. Installing the snakes in the fuselage shells
Important: the fuselage tail boom is considerably strengthened
and stiffened by the addition of the snake outer sleeves 43 and
44, which must be glued full-length to the shells in order to
obtain the full effect. The same applies to the aerial sleeve 47.
Check that the snakes operate smoothly and freely, and take
care not to allow glue to run into the outer sleeves.
Left-hand fuselage shell:
Install the complete elevator snake (wire rod length = 875 mm)
in the left-hand fuselage shell; the pre-formed end should be at
the front (servo end).
Fig. 3
Position the snake outer sleeve 43 flush at the front of the
fuselage shell, as shown in Fig. 4. Lay the shell down flat and
run cyano along the whole length of the outer sleeve 43 and
the channel in the fuselage to glue the parts together strongly.
Fig. 5
Right-hand fuselage shell:
Install the complete rudder snake (wire rod length = 875mm) in
the right-hand fuselage shell. The pre-formed end should be at
the front (servo end).
Fig. 6
Position the snake outer sleeve 44 flush at the front of the
fuselage shell, as shown in Fig. 7. Lay the shell down flat (note
the locating spigot; place the fuselage shell over the corner of
the table) and run cyano along the whole length of the outer
sleeve 44 and the channel in the fuselage to glue the parts
together strongly.
Fig. 8
4. Installing the aerial sleeve
Trial-fit the aerial sleeve 47, cut it to length and glue it in the
right-hand fuselage shell - taking care not to bend or distort the
moulding.
Fig. 9
5. Installing the tow-hook
Glider version: glue the towhook 32 in the moulded recess in
the fuselage shell 4.
Fig. 9
6. Installing the motor mount
Glue the motor mount 34 in the right-hand fuselage shell, and
wipe away any adhesive which is squeezed out. The exposed
face of the motor mount will later be glued when the shells are
joined; take care to keep adhesive off this area. Note that the
motor mount should also be installed in the glider version, as it
adds considerable strength.
Fig. 10
7. Installing the servos in the fuselage shells
Set the servos to “neutral” (centre) from the transmitter, and fit
them in the moulded recesses in the left and right fuselage
shells, as shown in Fig. 11. If you are using different servos,
you may have to trim the recesses slightly to obtain a close fit.
Lay the servo leads in the channel, running from bottom to top,
and tape them in place. Apply a drop of cyano to the servo lugs to
attach them to the foam material. Connect the pre-formed ends
of the wire pushrods to the servo output arms, and push the arms
onto the servos at an angle of 90° to the servo sides (don’t forget
to fit the servo output screws). Glue the plastic latch catches 22
in both fuselage sides as shown. Glue the extension leads in the
cable holders 36, positioning the ends flush as shown in the de-
tail drawing. Glue the cable holders 36 in the moulded recesses
in both fuselage sides, pushing them in as far as they will go.
Deploy the leads carefully and glue the fore-and-aft formers 37 in
place.
Fig. 11
8. Joining the fuselage shells
The most suitable adhesive for this stage is thick cyano-acrylate,
used in conjunction with activator.
Caution: for the tuning version the balance weights 2 x 33 should
first be glued in the recesses at the tail, as shown in Fig. 12.
The first step is to check “dry” (no glue) that the fuselage shells 3
+ 4 fit together accurately; it may be necessary to carry out minor
trimming.
Spray cyano activator on the joint surfaces of the fuselage shell 4
and leave it to air-dry for about two minutes.
Apply cyano adhesive to the joint surfaces of the fuselage shell
3, then join the parts carefully, taking care to align them accurately
and immediately. Note that the fuselage joint line must be perfectly
straight - no bends allowed!
Fig. 12
9. Installing the rudder hinge
Glue the rudder hinge 31 in the tail end of the fuselage using a
small amount of cyano. Take great care that no glue gets onto the
hinge pivot axis.
Fig. 13
Use a sharp balsa knife to cut a central slot for the rudder hinge
31 in the leading edge of the rudder. Take care: injury hazard!
Extend the slot in the rudder 5 downward by about 3 to 4 mm, as
13
this makes it easier to install the rudder and tailplane at a later
stage.
Fig. 14
10. Attaching the horn to the rudder
Use a pair of side-cutters to cut down the projecting spigot of the
rudder horn 24 to a length of about 2 mm. Insert the swivel pushrod
connector 25 in the second hole from the inside of the rudder
horn 24, and secure it with the washer 26 and nut 27. Caution:
note the orientation of the swivel connector! Tighten the nut very
carefully so that the barrel swivels smoothly: it should not wobble,
but must not jam. Apply a tiny drop of cyano to the nut (on the tip
of a pin) when you are satisfied. Fit the grubscrew 28 in the
threaded hole in the swivel pushrod connector 25 using the allen
key 29 provided. Apply cyano activator to the moulded recess in
the rudder, then glue the rudder horn 24 in the recess, with the
row of holes facing the hinge pivot axis.
Fig. 15
11. Freeing the elevator and rudder
Cut a 1 mm slot at each end of the elevator, which is attached to
the tailplane 12. Move the rudder and elevator to and fro repeatedly
in order to make the hinges free-moving - do not separate the
control surfaces!
Fig. 16
12. Attaching the horn to the elevator
Insert the swivel pushrod connector 25 in the outermost hole in
the elevator horn 24, and secure it with the washer 26 and the nut
27. Caution: note the orientation of the swivel connector! Tighten
the nut very carefully so that the barrel swivels smoothly: it should
not wobble, but must not jam. Apply a tiny drop of cyano to the
nut (on the tip of a pin) when you are satisfied. Fit the grubscrew
28 in the threaded hole in the swivel pushrod connector 25 using
the allen key 29 provided.
Apply cyano activator to the moulded recess in the elevator, then
glue the horn 24 in the recess, with the row of holes facing the
hinge pivot axis.
Fig. 17
13. Gluing the fin to the tailplane
Glue the fin 13 to the tailplane 12, setting it exactly at 90°.
Check this with a tool such as a setsquare.
Fig. 18
14. Gluing the tail assembly to the fuselage
Position the tail assembly on the fuselage “dry” (no glue), and
check that the parts fit correctly: first insert the hinge 31 in the
rudder 13, then slide the assembly forward onto the fuselage.
Check in particular that the tailplane 12 is a snug fit on the fuselage,
without any gaps, and lies parallel to the wing saddle at the front
of the fuselage. You can check this by laying the GRP wing joiner
40 on the wing saddle, fixing it in place exactly at right-angles to
the fuselage centreline using paper masking tape. Now sight along
the fuselage from the nose, and align the tailplane with the wing
joiner. When you are confident that the parts can be positioned
correctly, the tail assembly can be glued to the fuselage
permanently. Check once more for correct alignment and a close
fit before leaving the glue to harden. A little extra care at this stage
is well worthwhile, as it avoids long-term disappointment in a model
which refuses to fly straight.
15. Securing the rudder and elevator pushrods
Slip the wire pushrods 41 and 42 through the swivel pushrod
connectors 25, set the servos and control surfaces to neutral
(centre), and tighten the socket-head grubscrews 28 in the
connectors to secure the pushrods.
Figs. 19 + 20
Completing the wings
16. Freeing the ailerons
Cut a 1 mm slot at each end of the ailerons, which are attached to
the wing panels 8 and 9. Move the ailerons to and fro repeatedly
in order to make the hinges free-moving - do not separate the
control surfaces!
Fig. 21
17. Attaching the horns to the ailerons
Insert the swivel pushrod connectors 25 in the outermost holes in
the aileron horns 24, and secure them with the washers 26 and
the nuts 27.
Caution: be sure to produce a handed pair (different left and right)!
Tighten the nuts very carefully so that the barrels swivel smoothly:
they should not wobble, but must not jam. Apply a tiny drop of
cyano to the nuts (on the tip of a pin) when you are satisfied. Fit
the grubscrews 28 in the threaded holes in the swivel pushrod
connectors 25 using the allen key 29 provided.
Apply cyano activator to the moulded recesses in the ailerons,
then glue the horns 24 in the recesses, with the row of holes
facing the hinge pivot axis.
Fig. 22
18. Installing the aileron servos
Set the servos to “neutral” (centre) from the transmitter, and fit
the output arms on the servos at 90° to the case sides - 1 x left
and 1 x right (mirror-image pair).
Trial-fit the servos in the moulded recesses in the wing panels 8
and 9: you may need to carry out minor adjustments to suit the
type of servo you are using. Apply a drop of hot-melt glue to each
slot in the wings for the servo mounting lugs, and immediately
press the servos into the recesses; apply an extra drop of glue if
necessary.
Fig. 23
19. Installing the aileron pushrods
Connect the pre-formed end of the steel pushrods 30 to the
outermost hole in the servo output arms, and slip the plain end
through the swivel pushrod connectors 25. Set the ailerons and
servos to neutral, and tighten the grubscrews 28 to secure the
pushrods.
Fig. 23
20. Deploying the aileron servo leads
Lay each servo lead in a curve running towards the wing joiner
channel, and extend it with a 400 mm extension lead: the leads
can either be soldered together or connected using the standard
plug and socket. You will find a notch in each of the spar covers
10 and 11 designed to accommodate the connectors. Now deploy
the extension leads in a straight line along the front face of the
spar channel, standing on edge.
The servo leads must project from the underside of the wing roots
by 60 mm on the left and 75 mm on the right, as this makes it
possible to connect them to the extension leads glued in the cable
holders 36. The remainder of the extension leads can be stowed
in the channel and secured.
Figs. 23 + 24
21. Installing the spar covers
Carefully trial-fit the spar covers 10 and 11 in the wing panels 8
and 9. When you are confident that the covers are a close fit, and
can be installed flush with the wing surface, they can be glued in
place permanently using cyano. Ensure in particular that no
adhesive gets onto those surfaces of the wings into which the
GRP wing joiner 40 will be inserted later. Please don’t fit the wing
joiner 40 in the wings until you are certain that there is no active
adhesive inside the channels. The best way to ensure this is to
spray activator inside and wait for about five minutes. If you neglect
this warning, you may find that you can never separate the wing
panels again.
14
Deploy the servo leads in the channel in the spar covers, and
secure them with a little glue (hot-melt adhesive or contact
cement). Don’t use cyano for this, as it tends to make the cable
insulation brittle.
Fig. 23
22. Checking the wing joiner system
The model can now be assembled using the GRP wing joiner 40:
slide the wing panels onto the joiner until they are 5 cm short of
the fuselage on each side, then connect the plugs on the aileron
extension leads to the sockets installed in the fuselage. Slide the
wings closer to the fuselage, and you will find that the connected
leads help to locate them properly. Finally push the wings into the
fuselage on both sides.
Check that the wing panels 8 and 9 are a snug fit (no gaps) where
they meet the fuselage. If they are excessively tight, carefully
compress the edges of the wing root where they enter the fuselage
recess. Note: the wing panels should not be glued to the
fuselage. This enables you to remove the wings to make the
model easier to transport.
Fig. 25
23. Installing the canopy latch lugs
First glue the canopy former 35 in the underside of the canopy 7,
then push the two latch tongues 23 through the former, and set
them flush. Apply thick cyano to the serrated edges - no activator
in this case! - then insert the latch tongues in the slots in the
canopy. Immediately fit the canopy on the fuselage and allow the
latch tongues to engage in the latch catches 22. Check the position
of the canopy on the fuselage without delay, then wait about one
minute before cautiously re-opening the canopy. Spray activator
on the glued joints between the latch tongues and the canopy
former 35.
Fig. 26
24. General note on the receiving system installation
The remaining airborne equipment can now be installed in the
cabin area. Before you fit the receiver battery permanently it is
important to check the model’s Centre of Gravity (CG); you can
often correct the balance point at this stage by shifting the batteries.
Velcro tape (hook tape 20 + loop tape 21) is supplied for securing
the receiving system components, but please note that the
adhesive layer on the tape is not sufficient for this application, so
apply cyano to reinforce the joints.
In both versions of the aeroplane the receiver should be installed
aft of the servos, again using Velcro tape. Thread the aerial wire
(attached to the receiver) into the plastic sleeve 47, which has
already been installed. The easy way to do this is to file a length
of steel rod to a point, then slip it through the sleeve 47 from the
tail end. Push the point into the end of the aerial insulation and
apply a drop of cyano to the joint. You can then pull the aerial
through the sleeve from the tail end.
The model is designed for the installation of an MPX aero-tow
release, # 72 3470; the mechanism is simply glued in the glider
nose 5. A short length of snake outer sleeve runs from the release
unit towards the tow release servo, passing through the centre of
the battery pack as shown. The linkage takes the form of a length
of 1.2 mm Ø steel rod.
Fig. 27
25. Motor + receiving system installation in the electric-
powered version
Our recommended components have been thoroughly tested, and
are well matched to each other.
If you wish to use different units, especially if they take the form of
a more powerful motor, then it is your responsibility to ensure that
the airframe is “up to the job”.
Install the motor and tighten all screws thoroughly. Deploy the
power cables in such a way that they cannot possibly foul any of
the motors moving parts. Tape the wires to the fuselage.
Fig. 28
The speed controller can be attached to the fuselage side adjacent
to the receiver, using Velcro tape.
The intended location of the flight battery is the space aft of the
receiver. The battery should be positioned in such a way that little
or no ballast is required to balance the completed model. Secure
the battery with Velcro tape in the usual way.
Now complete all the receiving system connections as described
in the instructions supplied with your radio control system. Check
that all the cables are secured well, but are not under strain or
tension.
Fit the propeller driver on the motor output shaft. Allow about 1
mm clearance between the rear face of the driver and the fuselage.
Attach the propeller blades to the propeller driver, and tighten the
pivot screws fully, but not excessively. The blades must be able
to swing down under their own weight when you hold the model’s
nose up.
Switch the transmitter on, connect the flight battery to the speed
controller, and the controller to the receiver. The controller you
are using must feature a BEC (Battery Eliminator Circuit) system,
i.e. the receiver draws power from the flight battery.
Switch the motor on briefly, and check the direction of rotation of
the propeller. When test-running the power system remove all
light, loose objects behind the model, and hold it really firmly.
Caution: even small motors and propellers represent a
serious injury hazard!
26. Setting the control surface travels
The control surface travels must be correct, otherwise the model
will not respond harmoniously to the controls. All travels are
measured at the widest point of the control surface concerned.
Elevator
up - stick back (towards you) - approx. + 8-10mm
down - stick forward (away from you) - approx. - 8-10mm
Rudder left and right approx.15-20mm
each way
Ailerons
up approx. + 15 mm
down approx. - 6 mm
Spoilers - both ailerons up approx. + 20 mm
Spoiler mixer (elevator trim compensation)
approx. - 4 mm
Fig. 29
The “Spoiler” function is designed to shorten the landing approach
by deflecting both ailerons up simultaneously. At the same time
the appropriate down-elevator trim is mixed in, so that the model
maintains a stable attitude. This function can only be implemented
if your radio control system features suitable mixer facilities.
Please refer to the instructions supplied with your RC system for
details of this.
Note: when you apply a right-aileron command, the right-hand
aileron - as seen from the tail, looking forward - must deflect up.
If you cannot set the stated control surface travels using your
radio control system’s adjustment facilities, you may need to re-
install the swivel pushrod connector in a different hole in the horn.
15
27. Gilding the lily - applying the decals
The kit is supplied with a multi-colour decal sheet, part 2. Cut out
the individual name placards and emblems and apply them to the
model in the positions shown in the kit box illustration, or in another
arrangement which you find pleasing.
28. Balancing the model
Like every other aircraft, your EasyGlider PRO must be balanced
at a particular point if it is to fly efficiently and stably. Assemble
the model completely, ready to fly. Corrections are possible by
altering the position of the receiver battery or the flight pack. If
this is still not sufficient, add nose ballast or tail ballast until the
model balances at the stated point.
The Centre of Gravity should be at a point 70 mm back from the
leading edge of the wing, measured where the wings meet the
fuselage. Mark this point on the underside of the wing roots with
a waterproof felt-tip pen. Support the model at the marked points
on two fingertips, and the aeroplane should balance level. Make
any adjustments required, and mark the location of the airborne
components once you have found the correct position in the
fuselage, so that you can be sure always to replace the battery in
the same position.
Fig. 30
29. Preparing for the first flight
For the first flight wait for a day with as little breeze as possible.
The early evening is often a good time.
If this is your first model aircraft, your next step is to ask an
experienced model pilot to help you, as things usually do not go
well if you try to manage on your own. Your local model flying club
should be able to help you find someone, or - failing that - your
nearest model shop may be able to assist you. Our flight simulator
for the PC can also provide valuable experience prior to your
“first real steps” in model flying.
You can download the simulator at no charge from our website
www.multiplex-rc.de. You will also need the matching interface
cable for your MPX transmitter; this is available from model shops
under Order No. # 8 5153.Be sure to carry out a range check
before the first flight.
Just before the flight, charge up the transmitter battery and the
flight pack (or receiver battery) using the recommended
procedures. Ensure that “your” channel is not already in use before
you switch on the transmitter.
Ask your assistant to walk away from the model, holding the
transmitter. The aerial should be fitted but completely collapsed.
Your assistant should operate one of the functions constantly while
you watch the servos. The non-controlled servo should stay
motionless up to a range of about 60 m, and the controlled one
should follow the stick movements smoothly and without any delay.
Please note that this check can only give reliable results if the
radio band is clear of interference, and if no other radio control
transmitters are in use - even on different channels. If the range
check is successful, repeat it with the motor running (EasyGlider
Electric only). There should be no more than a very slight reduction
in effective radio range with the motor turning.
If you are not sure about anything, please don’t risk a flight. Send
the whole system (including battery, switch harness and servos)
to the Service Department of your RC system manufacturer and
ask them to check it.
The first flight ...
Glider:
A test-glide from shoulder level, directly into wind, will give you an
approximate idea of the model’s “trim”, i.e. whether it is set up
correctly, or whether the control surfaces or transmitter trims need
to be adjusted. If the model swings away to one side, move the
rudder trim slightly in the opposite direction. If the model banks -
one wing lower than the other - apply slight aileron trim correction.
Hand-towing
This is the classic method of launching a glider to height. Attached
to a suitable length of towline, the model is pulled up by your
assistant running into wind; the glider will rise up the line in a
similar fashion to a kite. The towline first needs to be prepared as
follows: tie the towring and a pennant to the “model” end of the
line. The ring is engaged on the towhook 32, the towline unwound
and your assistant (launcher) takes the free end and walks upwind
until the line is taut. The model should be held under gentle tension
before it is released. The launcher watches the model (over his
shoulder), adjusting his pace to maintain a steady rate of climb.
Take care not to overstress the model during the launch; this is a
particular danger in a fairly strong wind.
Bungee launching
This is the easiest method of launching a glider of this size, as no
assistant is needed, and launch heights of around 100 m are
easily achieved. From this altitude quite long flying times can be
achieved, and they will be even longer if you manage to contact a
thermal, although this does depend on the prevailing weather.
Thermal flying
Making the best use of flat field thermals is not particularly easy,
and calls for considerable skill and experience. Areas of rising air
are harder to detect and recognise at a flat field, because they
tend to occur at higher altitude than at the hillside, where it is
often possible to find lift while the model is cruising along the
edge of the slope and then circle away in it. A thermal at a flat
field which occurs directly overhead is very hard to recognise,
and to exploit it to the full requires a highly skilled pilot. For this
reason it is always best to go thermal seeking off to one side of
where you are standing.
You will recognise thermal contact by the gliders behaviour. Good
thermals are obvious because the model will climb strongly, but
weak thermals take a practised eye to detect, and you will need a
lot of skill to make use of them. With a little practice you will be
able to recognise likely trigger points for thermals in the local
landscape. The ground warms up in the sun’s heat, but heat
absorption varies according to the type of terrain and the angle of
the sun’s rays. The air over the warmer ground becomes warmer
in turn, and the mass of warm air flows along close to the ground,
driven by the breeze. Strong winds usually prevent thermal build-
up. Any obstruction - a shrub or tree, a fence, the edge of a wood,
a hill, a passing car, even your own model on the landing approach
- may cause this warm air to leave the ground and rise. Imagine a
drop of water on the ceiling, wandering around aimlessly, and
initially staying stuck to the ceiling. If it strikes an obstruction it will
fall on your head. A triggered thermal can be thought of as the
opposite of the drop of water.
The most obvious thermal triggers include sharply defined snow
fields on mountain slopes. The air above the snow field is cooled,
and flows downhill; at the edge of the snow field, part-way down
the valley, the cool air meets warm air flowing gently uphill, and
pushes it up and away as if cut off by a knife. The result is an
extremely powerful but bumpy thermal bubble. Your task is to
locate the rising warm air and centre your model in it. You will
need to control the glider constantly to keep it centred, as you
can expect the most rapid climb rate in the core of the thermal.
Once again, this technique does demand some skill.
To avoid losing sight of the machine be sure to leave the thermal
in good time. Remember that a glider is always easier to see
under a cloud than against a clear blue sky. If you have to lose
16
height in a hurry, do bear the following in mind:
The structural strength of the EasyGlider PRO is very great for
this class of model, but it is not infinite. If you attempt to destroy
the model forcibly, please don’t expect any sympathy or
compensation from us.
Flying at the slope
Ridge soaring is an extremely attractive form of model flying.
Soaring for hours on end in slope lift, without needing any outside
aid for launching, must be one of the finest of modelling
experiences. But to “milk” a thermal to the limits of vision, bring it
down again in a continuous series of aerobatic manoeuvres, and
then repeat the whole show - that must surely be the last word in
model flying.
But take care - there are dangers for your model lurking at the
slope. Firstly, in most cases landing is much more difficult than at
a flat field site. It is usually necessary to land in the lee of the hill
where the air is turbulent; this calls for concentration and a high-
speed approach with last-minute airbrake extension. A landing
on the slope face, i.e. right in the slope lift, is even more difficult.
Here the trick is to approach slightly downwind, up the slope, and
flare at exactly the right moment, just before touch-down.
Aero-towing
An ideal combination for learning to aero-tow, and for actual aero-
towing, is a Mentor and an EasyGlider PRO. If you wish to take-
off from grass, you will need a fairly powerful motor in the Magi-
ster, e.g. a brushless external rotor type (generally known as an
“outrunner”) with around 300 Watts of power.
For the tow you require a 20 m length of braided cable of 1 to 1.5
mm Ø. Tie a loop of 0.5 mm Ø nylon line (weak link) at the end,
and connect it to the aero-tow release (# 72 3470) fitted to the
EasyGlider PRO.
Fig. 27
Check that the towline is resting on top of the Mentors tailplane.
The tug now rolls forward until the towline is taut, and only then
should the tug’s pilot apply full-throttle. Both aeroplanes
accelerate: the tug stays on the ground initially, while the glider
lifts off, but the glider pilot keeps his model flying low above the
ground, directly in the wake of the tug; the tug can now lift off
safely. The two models should be kept climbing steadily, even
through turns. Avoid flying directly over your heads during the
first few attempts at aero-towing, as it is difficult to detect the
models’ attitudes from this angle. To drop the tow cease climbing,
bring the two aeroplanes to straight and level flight, then close
the throttle on the tug and operate the tow-release on the glider.
Electric flying
With the electric version - the EasyGlider Electric - you have the
optimum level of autonomy and independence. You can fly from
a flat field and carry out about four climbs to a sensible gliding
height from a single battery charge. At the slope you can also
keep the electric power system as a “lifebelt”, i.e. you only use
the motor to “keep afloat”, and avoid landing out, i.e. landing at
the bottom of the slope when the lift fails.
Flight performance
What is meant by a gliders performance?
The two most important parameters are sinking speed and glide
angle. Sinking speed is a measure of the vertical height lost per
second relative to the surrounding air. The sinking speed is
primarily determined by the wing loading (weight relative to wing
area). Here the EasyGlider PRO offers a really excellent
performance - much better than conventional models - as its wing
loading is so low (only around 17 g / dm²). This means that only
slight thermal assistance is necessary (warm air rising) to cause
the model to gain height. Wing loading is also the main factor in
determining the model’s airspeed - the lower the loading, the
slower the model. Low airspeed means that the model can be
turned extremely tightly, and this is also advantageous when ther-
mal flying, as areas of lift are usually very small when close to the
ground.
The gliders low airspeed also benefits you considerably if you
are a beginner, as you have more time to think, and the model is
more likely to “excuse” a mistake at the controls.
However, there’s always a down-side:
The other important parameter in glider performance is the glide
angle. This is stated as a ratio, i.e. from a particular altitude the
model flies such and such a distance. The glide angle increases
as wing loading rises, and at the same time - of course - the
model’s airspeed increases. This becomes necessary if you wish
to fly in relatively strong winds, and when you need “energy
retention” for flying aerobatics.
For thermal flying you need a good glide angle too, as this is the
key to flying across areas of “sink” (the opposite of a thermal)
quickly, so that you can seek out another thermal. To increase
the glide angle you need to increase the wing loading, and this is
done by increasing the gliders weight, i.e. by installing ballast in
the model. This should be positioned in the wing if possible. In
the EasyGlider PRO there is an ideal location: it is the GRP tube
which forms the wing joiner. The internal diameter of this tube is
7.8 mm. Normally a ballast rod of this size would be difficult to
find, and expensive to purchase. However, by chance the diameter
of standard M8 studding (threaded rod) is just the right size. This
material has a diameter of 7.7 mm, and you will be able to
buy it at low cost in any DIY store. You may find that only half a
full length is sufficient. In this case you must ensure that the rod
cannot slide from side to side, e.g. by fitting lengths of balsa dowel
in both ends of the wing joiner, so that the weight is held in the
centre.
Safety
Safety is the First Commandment when flying any model aircraft.
Third party insurance should be considered a basic essential. If
you join a model club suitable cover will usually be available
through the organisation. It is your personal responsibility to ensure
that your insurance is adequate.
Make it your job to keep your models and your radio control system
in perfect order at all times. Check the correct charging procedure
for the batteries used in your RC set. Make use of all sensible
safety measures and precautions which are advised for your
system. An excellent source of practical accessories is the MUL-
TIPLEX main catalogue, as our products are designed and
manufactured exclusively by practising modellers for other
practising modellers.
Always fly with a responsible attitude. You may think that flying
low over other people’s heads is proof of your piloting skill; others
know better. The real expert does not need to prove himself in
such childish ways. Let other pilots know that this is what you
think too. Always fly in such a way that you do not endanger
yourself or others. Bear in mind that even the best RC system in
the world is subject to outside interference. No matter how many
years of accident-free flying you have under your belt, you have
no idea what will happen in the next minute.
The fascination of it all
Model flying is, and always has been, a fascinating hobby, and a
thoroughly enjoyable way of spending your leisure hours. Take
your time to get to know your new EasyGlider PRO really well.
Plan to spend many hours in the open air, where you will learn to
appreciate the model’s excellent performance and its docile
handling. You can join us in enjoying one of the few types of sport
which combine high technology, manual dexterity, and
sophisticated personal skills. You can fly alone or with friends,
and at the same time you can enjoy the pleasures of nature -
treats which have become rare in today’s world.
17
We - the MULTIPLEX team - wish you many hours of pleasure in
building and flying your new model. Happy landings!
MULTIPLEX Modellsport GmbH & Co. KG
Model Development Dept.
18
L.H. wing
panel
Elevator
GB
Spinner
Wing section
The wing features a cambered airfoil section over which the air
flows when the model is flying. In a given period of time the air
flowing over the top surface of the wing has to cover a greater
distance than the air flowing under it. This causes a reduction in
pressure on the top surface, which in turn creates a lifting force
which keeps the aircraft in the air. Fig. A
Centre of Gravity (CG)
To achieve stable flying characteristics your model aircraft must
balance at a particular point, just like any other aircraft. It is
absolutely essential to check and set the correct CG position
before flying the model for the first time.
The CG position is stated as a distance which is measured aft
from the wing root leading edge, i.e. close to the fuselage. Sup-
port the model at this point on two fingertips (or - better - use the
MPX CG gauge, # 69 3054); the model should now hang level.
Fig. B
If the model does not balance level, the installed components
(e.g. flight battery) can be re-positioned inside the fuselage. If
this is still not sufficient, attach the appropriate quantity of trim
ballast (lead or plasticene) to the fuselage nose or tail and secure
it carefully. If the model is tail-heavy, fix the ballast at the fuselage
nose; if the model is tail-heavy, attach the ballast at the tail end of
the fuselage.
The longitudinal dihedral is the difference in degrees between
the angle of incidence of the wing and of the tail. Provided that
you work carefully and attach the wing and tailplane to the fuselage
without gaps, the longitudinal dihedral will be correct automatically.
If you are sure that both these settings (CG and longitudinal
dihedral) are correct, you can be confident that there will be no
major problems when you test-fly the model. Fig. C
Control surfaces, control surface travels
The model will only fly safely, reliably and accurately if the control
surfaces move freely and smoothly, follow the stick movements
in the correct “sense”, and move to the stated maximum travels.
The travels stated in these instructions have been established
during the test-flying programme, and we strongly recommend
that you keep to them initially. You can always adjust them to
meet your personal preferences later on.
Transmitter controls
The transmitter features two main sticks which the pilot moves to
control the servos in the model, which in turn operate the control
surfaces.
The functions are assigned according to Mode A, although other
stick modes are possible.
The transmitter controls the control surfaces as follows:
Rudder (left / right) Fig. D
Elevator (up / down) Fig. E
Aileron (left / right) Fig. F
Throttle (motor off / on) Fig. G
Unlike the other controls, the throttle stick must not return to the
neutral position automatically. Instead it features a ratchet so that
it stays wherever you put it. Please read the instructions supplied
with your radio control system for the method of setting up and
adjusting the transmitter and receiving system.
Basic information relating to model aircraft
Any aircraft, whether full-size or model, can be controlled around the three primary axes: vertical (yaw), lateral (pitch) and longitudinal
(roll).
When you operate the elevator, the model’s attitude alters around the lateral axis. If you apply a rudder command, the model swings
around the vertical axis. If you move the aileron stick, the model rolls around its longitudinal axis. External influences such as air
turbulence may cause the model to deviate from its intended flight path, and when this happens the pilot must control the model in
such a way that it returns to the required direction. The basic method of controlling the model’s height (altitude) is to vary motor speed
(motor and propeller). The rotational speed of the motor is usually altered by means of a speed controller. Applying up-elevator also
causes the model to gain height, but at the same time it loses speed, and this can only be continued until the model reaches its
minimum airspeed and stalls. The maximum climb angle varies according to the power available from the motor.
Fuselage
Canopy
Rudder
L.H.Aileron
Fin
Tailplane
R.H. wing
panel
Longitudinal axis
vertical axis
lateral axis
R.H. Aileron
19
Parts List
KIT EasyGlider PRO + electric BlueEdition
Part No. Description Material Dimensions
No. off
1 1 Building instructions Paper DIN A4
2 1 Decal sheet Printed adhesive film 350 x 1000 mm
3 1 L.H. fuselage shell Elapor foam Ready made
4 1 R.H. fuselage shell Elapor foam Ready made
5 1 Glider nose EPP foam Ready made
7 1 Canopy Elapor foam Ready made
8 1 L.H. wing panel Elapor foam Ready made
9 1 R.H. wing panel Elapor foam Ready made
10 1 L.H. spar cover Elapor foam Ready made
11 1 R.H. spar cover Elapor foam Ready made
12 1 Tailplane Elapor foam Ready made
13 1 Fin Elapor foam Ready made
Small parts set
20 2 Velcro tape, hook Plastic 25 x 60 mm
21 2 Velcro tape, loop Plastic 25 x 60 mm
22 2 Canopy-Lock catch Inj. moulded plastic Ready made
23 2 Canopy-Lock tongue Inj. moulded plastic Ready made
24 4 Glue-fitting control surface horn Inj. moulded plastic Ready made
25 4 Swivel pushrod connector Metal Ready made, 6 mm Ø
26 4 Washer Metal M2
27 4 Nut Metal M2
28 4 Allen-head grubscrew Metal M3 x 3 mm
29 1 Allen key Metal 1.5 A/F
30 2 Pre-formed aileron pushrod Metal 1 Ø x 80 mm
31 1 Hinge Inj. moulded plastic Ready made
32 1 Glider towhook Inj. moulded plastic Ready made
33 2 Trim ballast, tuning version Steel ball 13 mm Ø
34 1 Motor mount Inj. moulded plastic Ready made
35 1 Canopy former Inj. moulded plastic Ready made
36 2 Cable holder Inj. moulded plastic Ready made
37 2 Fuselage fore-and-aft former Inj. moulded plastic Ready made
Wire and rod set
40 1 Wing joiner GRP tube 10 Ø x 8 x 1000 mm
41 1 Pre-formed elevator pushrod Metal 0.8 Ø x 875 mm
42 1 Pre-formed rudder pushrod Metal 0.8 Ø x 875 mm
43 1 Elevator snake outer sleeve Plastic 3 / 2 Ø x 785 mm
44 1 Rudder snake outer sleeve Plastic 3 / 2 Ø x 785 mm
45 1 Elevator snake inner tube Plastic 2 / 1 Ø x 850 mm
46 1 Rudder snake inner tube Plastic 2 / 1 Ø x 850 mm
47 1 Aerial sleeve Plastic 3 / 2 Ø x 785 mm
Replacement parts (see also page 50/51; please order from your local model shop)
Decal sheet 72 4236
Decal sheet electric BlueEdition 72 4239
Fuselage shells + snakes 22 4150
Canopy 22 4151
Wing panels 22 4159
Small parts set 22 4152
Wing joiner 72 3190
Canopy-Lock (canopy retainer) 72 5136
Tail set 22 4160
GB
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MULTIPLEX RR EasyGlider DESIGN PPO Owner's manual

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Remote controlled toys
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Owner's manual
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